Inventor
HIGASHIJIMA YASUHISA
JP8 patents
Patents
8 patentsUS6340880B1Jan 22, 2002
Method of protecting a chargeable electric cell
MITSUMI ELECTRIC CO LTD144 citations98
US6184658B1Feb 6, 2001
Battery pack protective circuit with external terminals on opposite side of part mounting surface of circuit board
MITSUMI ELECTRIC CO LTD21 citations92
US5617010AApr 1, 1997
Overcharge and overdischarge protection for a chargeable electric cell operable with a reduced current consumption
MITSUMI ELECTRIC CO LTD40 citations92
US5526215AJun 11, 1996
Secondary cell protection unit for protecting a secondary cell from overdischarge or overcharge without excessive power consumption
MITSUMI ELECTRIC CO LTD29 citations92
US5886502AMar 23, 1999
Cell balance circuit having rechargeable cells
MITSUMI ELECTRIC CO LTD38 citations91
US5519563AMay 21, 1996
Protection circuit for electric cells from overcharge and overdischarge using a plurality of detection units of a single chip type
MITSUMI ELECTRIC CO LTD35 citations90
US6031357AFeb 29, 2000
Battery charge control circuit
MITSUMI ELECTRIC CO LTD27 citations89
US5705913AJan 6, 1998
Overdischarge detection device and overdischarge prevention device for a chargeable electric cell, operable with a variable threshold voltage to prohibit discharge in accordance with relative weight of a load
MITSUMI ELECTRIC CO LTD23 citations89